Asus A8N-SLI Chip set replacement fan?

C

Cabn12

Limp Gawd
Joined
Aug 8, 2004
Messages
299
Any body know where I can find a replacement chipset fan for the Asus A8N-SLI board?
Mine started making a wierd whining sound and I want to replace it before it fails. I'm looking for a quite one.
 
The Zalman passive fan fits, but I think it interferes with any two slot cards. My fan started making rattling noises, so I hooked up a Zalman Fanmate and slowed it to 5000RPM, no temp difference and it's quiet now :)
 
The Donut said:
The Zalman passive fan fits, but I think it interferes with any two slot cards. My fan started making rattling noises, so I hooked up a Zalman Fanmate and slowed it to 5000RPM, no temp difference and it's quiet now :)
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I'll have to look that one up. My chipset fan might be burning out too, if I start from a cold PC it gives me an error the chipset fan RPM's are low, BIOS reports 4000 RPM then it slowly goes up to about 7500 RPM...my problem is that I'm using two cards so I pretty much HAVE to make sure the thing is no wider then 40mm probably.

So...semi-bump on this to see if anyone else has a chipset fan recommendation, especially for someone with two video cards on this board. ;)
 
Mine started to vibrate as well...

I pulled it off and replaced it with a Vantec chipset/VGA cooler I found at Fry's Electronics. i had to shorten the mounting tabs (metal snips) but it fits well and it cut my NB temps in half!!

Best upgrade/update so far..
 
I'm going to take a gamble on this one and order it tomorrow:

http://www.newegg.com/app/ViewProductDesc.asp?description=35-116-010&depa=0

Reason is a) The base is 40mm x 39.5mm, so I'm thinking that it will fit and b) The fan is really high RPM, just like the stock ASUS chipset fan, so it should be high enough for the BIOS to detect, seems like every fan plug on this board wants really high RPM's before they are happy. ;)

Does say it's noisy, but that's not a concern with me unless it's real absurd...but I guess I can plug it in to test it first. If it won't work, my spare PC already has a Vantec Tornado on it anyway, so might as well add to the noise. ;)

I'll probably get it early next week, and middle of the week or the weekend install it, when I do I'll try to remember to post if it fits or not.
 
Wanna know what sucks??? If you have an NVsilencer 5 on your 6800Gt card, it blocks half of the fan, so anything higher than what it is cant be put on period. Blows.
 
Tripp17 said:
Wanna know what sucks??? If you have an NVsilencer 5 on your 6800Gt card, it blocks half of the fan, so anything higher than what it is cant be put on period. Blows.
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Right now still using stock fans, so I'm lucky there...I take it you're using a NVSilencer 5?

Guess if I go aftermarket on the video cards, better stick to one slot solutions if the chipset fan I ordered fits. Then again, I'm kicking around watercooling once I feel this board is stable enough that I probably won't be yanking it...almost there now I guess, but anyway most NVidia 6800 GPU waterblocks I've seen, even the ones covering both the memory and GPU at the same time look to be single slot.
 
[EDIT] Links now work... Sorry.

Read these threads on how to remove the crappy chipset cooler and install a Zalman NB-47J. You might also want to think about using a Zalman FB123 to mount a quiet fan to blow air on the the chipset cooler if you are using SLI or overclocking. Its tight between two video cards in SLI. You could still use the Zalman fanless NB47 and then cool it with Zalman FB123 in quiet mode. The motherboard probably needs more airflow between the video cards and the chipset cooler anyway. Asus really dropped the ball with the active cooling solution for the A8N-SLI.

http://img132.exs.cx/my.php?loc=img132&image=p10100279od.jpg

http://www.ocmodshop.com/default.aspx?a=244&p=696

Issues
During testing several issues or minor annoyances were encountered. For one after about a week the active heatsink on the nForce4 chipset began to make an irritating grinding noise. Most likely due to the fact that the fan is close to failing and the fan blades are hitting the interior of the heatsink. DC fans are not always the most reliable and long life product on the market, but I have an issue with anything starting to fail within the first week of use.
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Read this thread for pictures and clearance of the Zalman NB47J using two GF6800GT cards in SLI.
http://forums.anandtech.com/messageview.aspx?catid=29&threadid=1490234&messageid=17199134

http://www.abxzone.com/forums/showthread.php?p=975626&highlight=Zalman+NB47#post975626

http://www.abxzone.com/forums/showthread.php?p=975606&highlight=Zalman+NB47#post975606

http://www.zalmanusa.com/usa/product/view.asp?idx=15&code=016

http://forums.pcper.com/showthread.php?t=375435

DFI uses active cooling aswell, but it appears they don't want to repeat the mistakes Asus made. Too bad Nvidia is now punishing those companies who tried to hack SLI without paying Nvidia for it. The DFI-SLI board may stay in short supply for awhile...

http://www.theinquirer.net/?article=20959

The news comes as we hear additional primordial rumblings that MSI and DFI are going to be facing a lack of allocation of NForce 4 chips. Nvidia are reportedly apocalyptic at these two companies for attempting to avoid the $20 premium that GraphZilla charges for an NForce 4 SLI chipset by hacking standard NForce 4 chips to work with its dual-graphics technology.

Mainboard companies are said to be increasingly unhappy with Nvidia's attempts to make money 'any way they can', according to murmurings from one key partner. The $20 SLI premium, as well as the SLI brand tax that the INQ reported last week, are putting a giant's squeeze on manufacturers in an industry where margins are increasingly on a knife edge. Whilst DFI and MSI have already announced SLI-hacks, we hear that Asus and Gigabyte are also readying their own devious solutions. Whilst we know that Nvidia is unhappy with DFI and MSI, it seems unlikely that it can break the will of all four major players by witholding chips because then it won't have enough boards on the market to satisfy the baying masses.
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http://www.dfi.com.tw/Press/press_h...&TITLE_ID=4839&LINKED_URL=arch343.jsp&SITE=NA

To provide rock solid stability, both nForce4 chipset based motherboards feature Japanese aluminum electrolytic capacitors, magnetic levitation north bridge cooling fan with fan speed control, and all aluminum heat sink on mosfets. The conductive polymer (electrolytic) aluminum solid capacitors provide high resistance to over-voltage and reverse voltage as compared with other capacitors, making them the ideal choice for overclocking and mission critical motherboards. To further provide maximum cooling on-board, both motherboards feature DFI’s first magnetic levitation chipset cooling fan that moves almost twice the air compared to standard chipset fans while producing extremely little noise. Thanks to magnetic levitation technology, the spinning fan blades “float” in a magnetic field and thereby dramatically reduces friction, wear and tear, and heat generation. All of these hardware implementations directly contribute to cooler, quieter and longer lasting motherboards.
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Its obvious the chipset fan is fualty on this $200+ flagship motherboard. I wonder if Asus will recall the boards or just accept RMA's as they burn out.
 
Has any tried using this little guy:
http://www.frozencpu.com/vid-26.html

I have been looking around for a replacement, but I am not sure I feel comfortable ditching the active cooling setup. This heatsink/fan combo seems to be pretty good quality and matches the PCB to boot.
 
steins said:
Has any tried using this little guy:
http://www.frozencpu.com/vid-26.html

I have been looking around for a replacement, but I am not sure I feel comfortable ditching the active cooling setup. This heatsink/fan combo seems to be pretty good quality and matches the PCB to boot.
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I have one from an old motherboard. Without actually mounting it, and just placing it on top of the stock fan to see if it would fit, it looks pretty tight, like it looked like the secondary video card would be touching it. Didn't want to risk it. The base is just a tad over 40mm square, and there's screws holding on the fan shroud past that, if it wasn't for those screws it might just squeak by.
 
ImJacksAmygdala said:
Its obvious the chipset fan is fualty on this $200+ flagship motherboard. I wonder if Asus will recall the boards or just accept RMA's as they burn out.
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*shrug* Not like it's good news, but not the first time a good board had crappy chipset fans. Not impressed with this, but not 100% shocked either.
 
Anybody have any idea about a waterblock to fit on this thing. Honestly I wouldn't even care if I had to epoxy it at this point. If I mix in enough Artic Silver in with the thermal epoxy I will be able to get it back off again. I like danger den's block but .... i can't find any demensions other than mount holes. Anyone have one that would care to share the base's demensions? thanx.
 
lentic said:
Anybody have any idea about a waterblock to fit on this thing. Honestly I wouldn't even care if I had to epoxy it at this point. If I mix in enough Artic Silver in with the thermal epoxy I will be able to get it back off again. I like danger den's block but .... i can't find any demensions other than mount holes. Anyone have one that would care to share the base's demensions? thanx.
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Didn't look at their chipset blocks to see if they would fit, but who makes really good waterblocks in general IMO is Polarflo. Here's their website, I think you can order direct:

http://www.polarflo.com/

The guy is basically runs a machine shop somewhere in Montana, so if nothing else you might be able to call him up, tell him the exact dimensions of what you need, and he might be able to make something custom. Don't KNOW if he'd do that, never asked, but maybe worth a try.
 
steins said:
Does anyone know how this Coolermaster PAC-P01 matches up against the Zalman ZM-NB47J??

Coolermaster PAC-P01
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It's even smaller then the one I ordered at the base, so if mine fits (won't know that until next week), that thing is bound to fit. Has no fan though, so like the guy wanting to watercool, you'll either have to set to "Halt on no errors" or plug something else into the Northbridge fan header.

If you look up, I said I didn't think the Northpole chipset heatsink would fit. Saw a post in another forum where someone got it on the northbridge, although don't know if they are using two cards or not. So...it might be back in the running of a heatsink that would work on this board.
 
Just get a 40mm fan and screw it on the heatsink- worked great for me. Remove the current fan- there are screws under the fins of the fan- and install the 40mm fan. You may have to bend the fans on the heatsink slightly to screw the new fan though. I got the fan for $6.00 at MicroCenter. It runs at 5500 rpms and my temps dropped 5-10 degrees with the new fan.

Scott
 
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